In a Saint Moritz, Switzerland, home with architecture and interior design by Studio Peregalli, seventeenth-century Italian furnishings outfit the stone-paved entrance hall; the staircase lantern is 18th-century Venetian.

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A 16th-century Italian painted ceiling crowns the pine-paneled living room/library. The leather-clad armchairs date from the 1600s, the library table is 17th-century Italian, and the sofa and bookcases were designed by Studio Peregalli.

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In the living room/library, a velvet-covered wing chair by Studio Peregalli nestles alongside a 17th-century French chimneypiece.

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The dining room is sheathed in 19th-century painted leather; the woodwork is by Studio Peregalli.

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The kitchen’s table and chair are from Switzerland’s Engadine Valley; the backsplash tiles are 17th-century Portuguese.

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The cinema room features a fir-plank floor and club chairs dressed in linen and leather.

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A master bedroom, lined with pine, features lamps by Studio Peregalli and a 17th-century Italian commode surmounted by an 18th-century capriccio.

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In the same bedroom is a bay window furnished with a French Empire table and Engadinese chairs.

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In the second master bedroom, a 19th-century painted mantel offsets the honey-tone paneling; the 17th-century table is paired with a circa-1600 Spanish chair.

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Bookcases divide the bedroom into two spaces—one for sleeping, the other for reading or working; to the right of the bed is a circa-1800 Engadinese chair.

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Reclaimed wood lines a bath.

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Frescoes by Francesco Clemente make a colorful backdrop for the ground-floor swimming pool.